BIRCHTECH CORP.

Class 040: Treatment of carbon; treatment of spent carbon; treatment of carbon for removal of contaminants from water; treatment of spent carbon for removal of contaminants from water; treatment of carbon for enhanced removal of contaminants from water; treatment of spent carbon for enhanced removal of contaminants from water; treatment of carbon including activation, regeneration, and reactivation; treatment of carbon including activation, regeneration, and reactivation to enhance the removal of contaminants from water; treatment of carbon for reuse

Class 001: Chemicals for purification of water and the removal of containments from water; chemicals that enhance the ability of a sorbent to capture mercury for use in industrial, manufacturing and power generation facilities; Class 040: providing services and technologies for cleaner water and air, namely, environmental remediation services in the treatment of water and air; Class 042: environmental services, namely technical consultation in the field of environmental science; environmental engineering, testing, and inspection services; engineering services in the field of environmental compliance

providing services and technologies for cleaner water and air, namely, environmental remediation services in the treatment of water and air; environmental services, namely technical consultation in the field of environmental science; environmental engineering, testing, and inspection services; engineering services in the field of environmental compliance

"ENVIRONMENTAL"; Design of mercury emissions control equipment for the coal-power industry; consulting in the field of mercury emissions control for the coal-power industry

Water treatment services; testing and installation of water treatment systems; testing and installation of water treatment systems in support of the removal of contaminants; testing and installation of water treatment systems in support of the removal of contaminants, namely, forever chemicals (PFAS) from waste and potable water; Activated carbons; activated carbons for general industrial use; activated carbons for use in the treatment of water

installation of mercury emissions control equipment for the coal-power industry | design of mercury emissions control systems for the coal-power industry; consulting in the field of mercury emissions control for the coal-power industry

chemical additives that enhance the ability of a sorbent to capture mercury for use in the field of the coal power industry